Search a number
-
+
31232403103 = 116199458027
BaseRepresentation
bin11101000101100110…
…001010011010011111
32222121122021110121111
4131011212022122133
51002430443344403
622203054442451
72153653021546
oct350546123237
988548243544
1031232403103
11122779717a0
126077803427
132c397c32c5
141723db115d
15c2be1556d
hex74598a69f

31232403103 has 8 divisors (see below), whose sum is σ = 34077283200. Its totient is φ = 28388451480.

The previous prime is 31232403067. The next prime is 31232403107. The reversal of 31232403103 is 30130423213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31232403103 - 225 = 31198848671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232403107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160825 + ... + 297202.

It is an arithmetic number, because the mean of its divisors is an integer number (4259660400).

Almost surely, 231232403103 is an apocalyptic number.

31232403103 is a deficient number, since it is larger than the sum of its proper divisors (2844880097).

31232403103 is a wasteful number, since it uses less digits than its factorization.

31232403103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464237.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31232403103 its reverse (30130423213), we get a palindrome (61362826316).

The spelling of 31232403103 in words is "thirty-one billion, two hundred thirty-two million, four hundred three thousand, one hundred three".

Divisors: 1 11 6199 68189 458027 5038297 2839309373 31232403103